aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--libsolidity/codegen/CompilerContext.cpp15
-rw-r--r--libsolidity/codegen/CompilerContext.h8
2 files changed, 23 insertions, 0 deletions
diff --git a/libsolidity/codegen/CompilerContext.cpp b/libsolidity/codegen/CompilerContext.cpp
index c14ab845..fcd39b33 100644
--- a/libsolidity/codegen/CompilerContext.cpp
+++ b/libsolidity/codegen/CompilerContext.cpp
@@ -125,6 +125,21 @@ Declaration const* CompilerContext::nextFunctionToCompile() const
return m_functionCompilationQueue.nextFunctionToCompile();
}
+eth::AssemblyItem const* CompilerContext::lowLevelFunctionEntryPoint(string const& _name) const
+{
+ auto it = m_lowLevelFunctions.find(_name);
+ if (it == m_lowLevelFunctions.end())
+ return nullptr;
+ else
+ return *it;
+}
+
+void CompilerContext::addLowLevelFunction(string const& _name, eth::AssemblyItem const& _label)
+{
+ solAssert(lowLevelFunctionEntryPoint(_name) != nullptr, "Low level function with that name already exists.");
+ m_lowLevelFunctions[_name] = _label.pushTag();
+}
+
ModifierDefinition const& CompilerContext::functionModifier(string const& _name) const
{
solAssert(!m_inheritanceHierarchy.empty(), "No inheritance hierarchy set.");
diff --git a/libsolidity/codegen/CompilerContext.h b/libsolidity/codegen/CompilerContext.h
index 80671528..34befc13 100644
--- a/libsolidity/codegen/CompilerContext.h
+++ b/libsolidity/codegen/CompilerContext.h
@@ -90,6 +90,12 @@ public:
/// as "having code".
void startFunction(Declaration const& _function);
+ /// Returns the label of the low level function with the given name or nullptr if it
+ /// does not exist. The lifetime of the returned pointer is short.
+ eth::AssemblyItem const* lowLevelFunctionEntryPoint(std::string const& _name) const;
+ /// Inserts a low level function entry point into the list of low level functions.
+ void addLowLevelFunction(std::string const& _name, eth::AssemblyItem const& _label);
+
ModifierDefinition const& functionModifier(std::string const& _name) const;
/// Returns the distance of the given local variable from the bottom of the stack (of the current function).
unsigned baseStackOffsetOfVariable(Declaration const& _declaration) const;
@@ -248,6 +254,8 @@ private:
CompilerContext *m_runtimeContext;
/// The index of the runtime subroutine.
size_t m_runtimeSub = -1;
+ /// An index of low-level function labels by name.
+ std::map<std::string, eth::AssemblyItem> m_lowLevelFunctions;
};
}